First Commit

For Azeroth!

dep/g3dlite/source/Vector4int8.cpp

@@ -0,0 +1,58 @@
+/**
+  @file Vector4int8.cpp
+ 
+  Homogeneous vector class.
+
+  @maintainer Morgan McGuire, http://graphics.cs.williams.edu
+ 
+  @created 2007-02-09
+  @edited  2007-02-09
+
+  Copyright 2000-2007, Morgan McGuire.
+  All rights reserved.
+ */
+
+#include "G3D/platform.h"
+#include "G3D/Vector4int8.h"
+#include "G3D/Vector3.h"
+#include "G3D/Vector4.h"
+#include "G3D/BinaryInput.h"
+#include "G3D/BinaryOutput.h"
+#include <string>
+
+namespace G3D {
+
+Vector4int8::Vector4int8(const Vector4& source) {
+    x = iClamp(iRound(source.x), -128, 127);
+    y = iClamp(iRound(source.y), -128, 127);
+    z = iClamp(iRound(source.z), -128, 127);
+    w = iClamp(iRound(source.w), -128, 127);
+}
+
+Vector4int8::Vector4int8(const Vector3& source, int8 w) : w(w) {
+    x = iClamp(iRound(source.x), -128, 127);
+    y = iClamp(iRound(source.y), -128, 127);
+    z = iClamp(iRound(source.z), -128, 127);
+}
+
+Vector4int8::Vector4int8(class BinaryInput& b) {
+    deserialize(b);
+}
+
+void Vector4int8::serialize(class BinaryOutput& b) const {
+    // Intentionally write individual bytes to avoid endian issues
+    b.writeInt8(x);
+    b.writeInt8(y);
+    b.writeInt8(z);
+    b.writeInt8(w);
+}
+
+void Vector4int8::deserialize(class BinaryInput& b) {
+    x = b.readInt8();
+    y = b.readInt8();
+    z = b.readInt8();
+    w = b.readInt8();
+}
+
+} // namespace G3D
+